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A302229 Number of 6Xn 0..1 arrays with every element equal to 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
0, 361, 2666, 21777, 292781, 3420704, 42508145, 524715109, 6339899565, 78476978749, 958583337489, 11758190038504, 144419322238672, 1768994677452799, 21718288663168847, 266355912494488737 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A302224.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..0..1..1..1. .0..0..0..1..1. .0..0..1..1..1. .0..0..0..1..1

..1..0..0..0..1. .1..0..0..1..0. .0..0..1..0..0. .0..1..1..0..1

..1..1..0..1..1. .1..1..1..0..1. .0..1..1..1..0. .1..1..1..0..1

..0..1..1..0..0. .0..0..0..0..1. .1..1..0..0..0. .0..0..0..1..1

..0..0..1..0..1. .0..1..1..1..0. .0..1..1..1..1. .1..1..0..1..0

..1..1..0..1..1. .1..1..0..0..1. .0..0..1..0..0. .1..1..0..0..1

CROSSREFS

Cf. A302224.

Sequence in context: A211822 A233552 A176899 * A302672 A302476 A231975

Adjacent sequences: A302226 A302227 A302228 * A302230 A302231 A302232

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 2018

STATUS

approved

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Last modified December 3 20:26 EST 2022. Contains 358543 sequences. (Running on oeis4.)